| Programming Interface Information:
This information is NOT intended to be used as Programming Interfaces of z/VM. | 
DNSA
Control Block Contents  
   DNSA DSECT
Cross Reference (Contains links to field and bit definitions)
DNSA Prolog
 NAME       : HCPDNSA
 DESCRIPTION: DIRECTORY NSS/DCSS AUTHORIZATION BLOCK
 DSECT      : DNSA
 FUNCTION   : THE DIRECTORY NSS/DCSS AUTHORIZATION BLOCK DEFINES
              THE PROTECTED SYSTEMS THAT A USER MAY ACCESS AS
              SPECIFIED IN THE SYSTEM DIRECTORY FILE
 LOCATED BY : DVMDNDAS  FIELD OF HCPDVMD
              DVMDNDSP  FIELD OF HCPDVMD
              DNSANADD  FIELD OF HCPDNSA
              DNSANOFF  FIELD OF HCPDNSA
 CREATED BY : HCPDIR, HCPUDRNS
 DELETED BY : HCPUDRNS
DNSA Control Block Content
DNSA DSECT
Hex   Dec Type/Val   Lng Label (dup)    Comments
---- ---- --------- ---- -------------- --------
0000    0 Structure      DNSA           DIRECTORY NSS/DCSS AUTHORIZATION
                                        BLOCK
0000    0 Signed       4 DNSANADD       DASD ADDRESS OF THE NEXT DNSA
                                        CCPV for CKD DASD addresses PPPV
                                        for CKD DASD addresses
0004    4 Signed       2 DNSANOFF       OFFSET TO THE NEXT DNSA
0006    6 Bitstring    1 * (2)          RESERVED FOR FUTURE IBM USE
0008    8 Character    8 DNSASYS        NSS/DCSS THIS USER CAN USE
          00000002       DNSASIZE       (*-DNSA+7)/8 DNSA BLOCK SIZE IN
                                        DW'S
          00000010       DNSALEN        (*-DNSA) DNSA BLOCK SIZE IN BYTES
DNSA Storage Layout
          
*** DNSA - DIRECTORY NSS/DCSS AUTHORIZATION BLOCK
*
*     +---------------------------+-------------+-------------+
*   0 |         DNSANADD          |  DNSANOFF   |/////////////|
*     +---------------------------+-------------+-------------+
*   8 |                       DNSASYS                         |
*     +-------------------------------------------------------+
*  10
*
*** DNSA - DIRECTORY NSS/DCSS AUTHORIZATION BLOCK
DNSA Cross Reference
Symbol Dspl Value -------------- ---- ----- DNSALEN 0008 00000010 DNSANADD 0000 DNSANOFF 0004 DNSASIZE 0008 00000002 DNSASYS 0008
Last updated on 6 Jun 2001 at 11:27:26 EDT.
Copyright IBM Corporation, 1990, 2001